Well, as a business person I run into many people who know me and say hello and I don't have a clue who they are. I just pretend I know them, exchange pleasantries and be on my way.
All her actions indicate that she is either a narcissist or bipolar.
Ever go to your 15th year high school reunion and are appalled at how people changed or don't even remember them sitting next to you in algebra....and you spent 4 years of your life with them for 9 months, 5 days a week!
I graduated from a class of around 100. I’ve gone to reunions and I swear there were people there who did NOT go to school with me. I have no idea who they were but they said they knew me.
My wife said it sounds like she’s bipolar because of her spending habits.